Mathematics, 15.04.2021 17:20 ana2896
The equation 2x2 + 2y2 – 8x – 12y + 16 = 0 defines a circle.
Which of these shows a correct step for determining the center and radius of this circle? Choose all that are correct.
(2x2 – 8x + 16) + (2y2 – 12y+36) = -16+ 36
(x - 4)2 + (y - 9)2 = 5
(x2 - 4x +4) + (y2 - 6y +9) = -8 +13
o 22 + y2 – 4x - 6y= -16
(x - 2)2 + (y - 3)2 = 5
Answers: 1
Mathematics, 21.06.2019 21:30
Name and describe the three most important measures of central tendency. choose the correct answer below. a. the mean, sample size, and mode are the most important measures of central tendency. the mean of a data set is the sum of the observations divided by the middle value in its ordered list. the sample size of a data set is the number of observations. the mode of a data set is its highest value in its ordered list. b. the sample size, median, and mode are the most important measures of central tendency. the sample size of a data set is the difference between the highest value and lowest value in its ordered list. the median of a data set is its most frequently occurring value. the mode of a data set is sum of the observations divided by the number of observations. c. the mean, median, and mode are the most important measures of central tendency. the mean of a data set is the product of the observations divided by the number of observations. the median of a data set is the lowest value in its ordered list. the mode of a data set is its least frequently occurring value. d. the mean, median, and mode are the most important measures of central tendency. the mean of a data set is its arithmetic average. the median of a data set is the middle value in its ordered list. the mode of a data set is its most frequently occurring value.
Answers: 3
Mathematics, 22.06.2019 04:00
Will positive numbers always have a higher absolute value than negative numbers?
Answers: 1
The equation 2x2 + 2y2 – 8x – 12y + 16 = 0 defines a circle.
Which of these shows a correct step f...
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